F705

Send Destination CPU Error (Hardware)

Mitsubishi Electric · MELSEC Q-series MELSECNET/H

What does F705 mean?

An error originating from the send destination CPU's hardware has occurred, preventing successful data transmission. This indicates a hardware fault at the receiving end.

Common Causes

  • Hardware error (H/W error) at the send destination CPU

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the send destination CPU for any diagnostic indicators or fault codes

  2. 2

    Inspect the send destination CPU module for physical damage or loose connections

Browse all codes in this manual (60)
Verified technical data. Last updated: March 2026

Related Faults

Source: Mitsubishi Electric MELSEC Q-series MELSECNET/H